||Vortex Part 2
||In the aftermath of the tornado, Lex does his best to make sure his life is saved, and Jonathan and Roger Nixon are buried alive.
||A woman with the power of pheromone persuasion convinces Lex to marry her. Meanwhile, Clark has a hot new power...
||Pete finds the spaceship, and wants to tell everyone all about it. Clark must decide how to get the ship back, and also has to decide whether or not to let him in on the truth.
||Red meteor rock used in the class rings seems to make Clark a bad boy...
||A young man named Byron is kept in the basement of his home, only sneaking out at night. Meanwhile, Martha gets a job with Lionel Luthor.
||A woman sucks the age out of people in order to keep herself alive. Plus, the Kents have money problems which bring Martha`s father into town. Plus, Lana finds a curious photo that brings question to her true parentage.
||A woman comes to town claiming Clark is her son Lucas, and she demands a blood test. A secret tie between Clark`s adoption and the Luthors is revealed. Plus, Lana looks into meeting the man she thinks may actually be her father.
||Ryan (from "Stray") returns in an episode where Clark must rescue him from a facility where he is being mistreated. Plus, Ryan has a secret - he`s dying.
||The same guy seems to be two-timing Lana and Chloe... unless he can be two places at once. That`s not possible, is it?
||Some caves may offer the clues to Clark`s past. Plus, Clark meets a beautiful Native American woman who also may be more than meets the eye.
||Whitney is back... or is it Tina, the shape-shifting girl from "X-Ray?" Eric Johnson makes his final Smallville appearance.
||Lex decides to have his father`s office bugged as revenge for his father doing the same thing. Unfortunately, the "buggers" have other plans... plans which include holding Martha and the blind Lionel hostage. How can Clark save the day when they`re so high up in the LuthorCorp building in Metropolis?
||Lionel Luthor is shot, and the evidence indicates Jonathan Kent is the one who did it. Clark and company must prove that it was not Jonathan.
||Some kind of meteor-enhanced worms make Chloe and Pete misbehave the way that Red Kryptonite makes Clark bad. Combine it all and there`s a lot of trouble.
||Lucas Dunleavy, brother to Lex, is alive! Lionel, of course, decides to pit the brothers against one another.
||Meteor dust is making Martha and Clark sick. Will they be saved in time? Plus, Dr. Bryce learns something interesting in Clark`s bloodwork, and Martha has a surprise.
||Clark places the octagonal disc into the wall of the cave, and is infused with knowledge of his Kryptonian heritage. He is soon contacted by Dr. Virgil Swann, who offers more knowledge on Clark`s origins...
||A young man claims to have been sent here from another planet, and to have arrived with the meteor shower just like Clark was. Is he for real? After the young man uses what appears to be heat vision, Clark starts to wonder...
||Clark gets in trouble after he beats up a drunken bully who was assaulting Lana. Helen`s ex-boyfriend comes to town and he doesn`t seem like a very nice guy. Lex comes to a decision regarding his relationship with Helen, and asks her to marry him.
||Jocks with meteor-powered asthma inhalers go after the Kents after they can`t kill Clark. Lionel offers to help Chloe after the Torch is seriously damaged. Plus, why is Lionel shipping kryptonite bars into Smallville?
||A childhood friend of Lana`s who supposedly died six years ago is back and is "haunting" Lana. Or is there more to Emily than meets the eye?
||Calling Part 1
||Clark and Lana FINALLY kiss, Lex and Helen have their rehearsal dinner, Dr. Walden wakes up from his coma, and Clark receives more messages from Krypton, instructing him that he is the "Last Son" and must rule.
||Exodus Part 2
||Things are finally coming together for Lana and Clark when the voice of his Kryptonian father issues an ultimatum. Lex prepares for his wedding, and Lionel works at manipulating a jealous Chloe. Tragedy strikes the Kents and Clark decides he has to leave. Putting on the red kryptonite ring and saying goodbye to Lana, Clark rides off to Metropolis. Meanwhile, Lex is plunging to the bottom of the ocean.... Continued next season.